http://localhost:8080无法打开,帮忙解决一下
HTTP   Status   500   -  

--------------------------------------------

type   Exception   report

message  

description   The   server   encountered   an   internal   error   ()   that   prevented   it   from   fulfilling   this   request.

exception  

org.apache.jasper.JasperException:   Unable   to   compile   class   for   JSP

An   error   occurred   at   line:   -1   in   the   jsp   file:   null

Generated   servlet   error:
        [javac]   Compiling   1   source   file


at   org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:85)
at   org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:248)
at   org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:343)
at   org.apache.jasper.compiler.Compiler.compile(Compiler.java:356)
at   org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:427)
at   org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:142)
at   org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:240)
at   org.apache.jasper.servlet.JspServlet.service(JspServlet.java:187)
at   javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
at   org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:198)
at   org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
at   org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:595)
at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:432)
at   org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:954)
at   org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:138)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:595)
at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:432)
at   org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:954)
at   org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2459)
at   org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:132)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:595)
at   org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:118)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:593)
at   org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:116)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:593)
at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:432)
at   org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:954)
at   org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:126)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:595)
at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:432)
at   org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:954)